Ok Tedi environmental disaster
BHP expressed confidence, stating that it had other indemnities in place that protected shareholders from future legal costs. Views Read Edit View history. Retrieved 19 September The Ok Tedi Mine was scheduled to close in Retrieved 4 February OK Tedi Mining Limited. Retrieved from ” https: The lives of 50, people have been disrupted. Victoria University, Melbourne, Victoria, Australia. One of the worst environmental disasters caused by humansit is a consequence of the discharge of about two billion tons of untreated mining waste into the Ok Tedi from the Ok Tedi Minean open pit mine in the Western Province of Papua New Guinea.
The concentration of copper in the water is about 30 times above the standard level, but it is below the World Health Organization WHO standards. This dumping resulted in the river bed being raised 10 m, causing a relatively deep and slow river to become shallower min develop rapids, thereby disrupting indigenous transportation routes.
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Retrieved 2 March The signing of the Agreements facilitated the Company to commence planning for the MLE project throughout Retrieved 17 September Settlement Favors Yonggom People”. The balance is allocated to current development programs in the local area Western Province and PNG more generally.
ok tedi copper mine case study
There are no waste retention facilities on the premises. Thick gray sludge from the mine is visible throughout the Fly River system, although its effects downriver are not as severe.
Experts have predicted that it will take years to clean up the toxic contamination. Retrieved 22 March Archived from the original on 7 February About square kilometers were damaged in this way. However the mine is still in operation and waste continues to wtudy into the river system.
Villagers downstream from Ok Tedi in the Fly River system in the Middle Fly District and the southern and central areas of the North Fly Districtin particular, believe that the effect on their livelihood from this disaster far outweighs the benefits they have soluyion from the mine’s presence in their area.
Retrieved 17 April This page cpper last edited on 19 Novemberat Retrieved 18 April Archived from the original on 20 August This allowed all ore processing residues, waste rock and overburden to be discharged into the Ok Tedi River.
In an earthquake caused the half built dam to collapse. InBHP reported that 90 million tons of mine waste was annually discharged into the river for more than ten years and destroyed downstream villages, agriculture and fisheries.